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The workers at two plants were given lead blood tests as part of health monitoring. Compare their averages at 90% significance. Plant 1: 155 133

The workers at two plants were given lead blood tests as part of health monitoring. Compare their averages at 90% significance.

Plant 1: 155 133 122 193 145 143 142

Plant 2: 142 128 123 175 133

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The workers at two plants were given lead blood tests as part of health monitoring. Compare their averages at 90% significance. Plant 1: 155 133 122 193 145 143 142 Plant 2: 142 128 123 175 133Question 1 What is the null hypothesis? Ho : 1 - #2 = Ho O Ho : #1 - 12 # HO O Ho : Question 2 Is this a one or two-tailed test? O Yes O No Question 3 What is the alpha value?

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